Reverting core/ and drivers/ directories before change 15514

This reverts commit 23fb21617769f4320de93b5b1805c6ec3ca9b809.

Change-Id: I0c116f8d7195c75c7ef17f296843924d3e2a0961
diff --git a/TestON/drivers/common/cli/emulatordriver.py b/TestON/drivers/common/cli/emulatordriver.py
index 9bfd648..f63a49f 100644
--- a/TestON/drivers/common/cli/emulatordriver.py
+++ b/TestON/drivers/common/cli/emulatordriver.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 """
 Created on 26-Oct-2012
-Copyright 2012 Open Networking Foundation ( ONF )
+Copyright 2012 Open Networking Foundation (ONF)
 
 Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>,
 the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>,
@@ -26,7 +26,6 @@
 """
 from drivers.common.clidriver import CLI
 
-
 class Emulator( CLI ):
     # The common functions for emulator included in emulatordriver